To provide a carbon dioxide generator, which can be handily used at home, exerting a superior hyperthermia effect, and improving symptoms such as fatigue, lassitude, leadenness, swelling and chill on the lower limbs of a human body. 家庭等で手軽に使用でき、温熱効果に優れ、人体の下肢の疲れ、だるさ、重さ、むくみや、冷え等の症状を改善することができる炭酸ガス発生装置を提供すること。 - 特許庁